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4 HgCrO4 = 4 Hg + 2 Cr2O3 + 5 O2
NaClO = NaCl + NaClO3 =>
3 NaClO = 2 NaCl + NaClO3
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Fe(CH3COO)3 + H2O2 = Fe(CH5COO)3 + O2 =>
Fe(CH3COO)3 + 3 H2O2 = Fe(CH5COO)3 + 3 O2
NaH + S = Na2S + H2 =>
2 NaH + S = Na2S + H2
Cd + H2S = CdS2 + H2 =>
Cd + 2 H2S = CdS2 + 2 H2
HCO2Na + H2SO4 = Na2SO4 + HCOOH =>
2 HCO2Na + H2SO4 = Na2SO4 + 2 HCOOH
NaHCO3(aq) + CH3COOH(aq) = CH3COONa(aq) + H2CO3(aq) =>
NaHCO3(aq) + CH3COOH(aq) = CH3COONa(aq) + H2CO3(aq)
Cu + CO2 = CuO2 + CO =>
Cu + 2 CO2 = CuO2 + 2 CO
Ca(OH)2(aq) + HCl(aq) = CaCl2(aq) + H2O(l) =>
Ca(OH)2(aq) + 2 HCl(aq) = CaCl2(aq) + 2 H2O(l)
Al + NO2 = Al2O3 + NO =>
2 Al + 3 NO2 = Al2O3 + 3 NO
CH3CH2OH + KMnO4 = CH3COOH + H2O + MnO2 + KOH =>
3 CH3CH2OH + 4 KMnO4 = 3 CH3COOH + H2O + 4 MnO2 + 4 KOH
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
CaCl2 + AgNO3 = AgCl + Ca(NO3)2 =>
CaCl2 + 2 AgNO3 = 2 AgCl + Ca(NO3)2
K2HPO4 = K{+} + HPO4{2-} =>
K2HPO4 = 2 K{+} + HPO4{2-}
Au + HCl = AuCl + H2 =>
2 Au + 2 HCl = 2 AuCl + H2
CH3 + KMnO4 + H2SO4 = CO2H + K2SO4 + MnSO4 + H2O =>
5 CH3 + 6 KMnO4 + 9 H2SO4 = 5 CO2H + 3 K2SO4 + 6 MnSO4 + 14 H2O
C = C60 =>
60 C = C60
Fe(NO3)3 + K2O = Fe2O3 + KNO3 =>
2 Fe(NO3)3 + 3 K2O = Fe2O3 + 6 KNO3
KMnO4 + H2SO4 + SnCl2 = MnSO4 + K2SO4 + Cl2 + SnSO4 + H2O =>
2 KMnO4 + 8 H2SO4 + 5 SnCl2 = 2 MnSO4 + K2SO4 + 5 Cl2 + 5 SnSO4 + 8 H2O
MgO + Br2 = MgBr2 + O2 =>
2 MgO + 2 Br2 = 2 MgBr2 + O2
IBr = I2 + Br2 =>
2 IBr = I2 + Br2
Mg2 + HNO3 = Mg(NO3)2 + H =>
Mg2 + 4 HNO3 = 2 Mg(NO3)2 + 4 H
Na2CO3(aq) + HNO3(aq) = H2CO3 + NaNO3 =>
Na2CO3(aq) + 2 HNO3(aq) = H2CO3 + 2 NaNO3
NaCl + H2O + AgNO3 = HNO3 + HCl + NaAgO =>
NaCl + H2O + AgNO3 = HNO3 + HCl + NaAgO
Ca(OH)2 + NH4C2H3O2 = Ca(C2H3O2)2 + NH3 + H2O =>
Ca(OH)2 + 2 NH4C2H3O2 = Ca(C2H3O2)2 + 2 NH3 + 2 H2O
Na + HClO = NaClO + H =>
Na + HClO = NaClO + H
Cr2O7{2-} + Cl{-} + H{+} = Cr3{+} + H2O + Cl2 =>
3 Cr2O7{2-} + 34 Cl{-} + 42 H{+} = 2 Cr3{+} + 21 H2O + 17 Cl2
B2O3 + KOH = K3BO3 + H2O =>
B2O3 + 6 KOH = 2 K3BO3 + 3 H2O
AgNO3(aq) + MgSO4(aq) = AgSO4(aq) + MgNO3(aq) =>
AgNO3(aq) + MgSO4(aq) = AgSO4(aq) + MgNO3(aq)
Na3P + CaF2 = NaF + Ca3P2 =>
2 Na3P + 3 CaF2 = 6 NaF + Ca3P2
HCl + H2S = H2 + SCl =>
2 HCl + 2 H2S = 3 H2 + 2 SCl
P2O3 + C = C3P + CO =>
P2O3 + 9 C = 2 C3P + 3 CO
Al + Hg{2+} + H2O = Al(OH)3 + H{+} + Hg =>
2 Al + 3 Hg{2+} + 6 H2O = 2 Al(OH)3 + 6 H{+} + 3 Hg
Fe + Hg(NO3)2 = Fe(NO3)3 + Hg =>
2 Fe + 3 Hg(NO3)2 = 2 Fe(NO3)3 + 3 Hg
C2H5OC2H5 + O2 = CO2 + H2O =>
C2H5OC2H5 + 6 O2 = 4 CO2 + 5 H2O
Fe + HNO3 = Fe(NO3)3 + NO + H2O =>
Fe + 4 HNO3 = Fe(NO3)3 + NO + 2 H2O
CH3OH + CuO = HCOOH + Cu + H2O =>
CH3OH + 2 CuO = HCOOH + 2 Cu + H2O
C6H6 + Cl2 = C6H6Cl6 =>
C6H6 + 3 Cl2 = C6H6Cl6
(NH4)2SO4 + KOH = NH4OH + K2SO4 =>
(NH4)2SO4 + 2 KOH = 2 NH4OH + K2SO4
KOH + HOCl = KOCl + H2O =>
KOH + HOCl = KOCl + H2O
CH3CH2OH + Cr2O7 + H{+} = CH3COOH + Cr3{+} + H2O =>
10 CH3CH2OH + 3 Cr2O7 + 2 H{+} = 10 CH3COOH + 2 Cr3{+} + 11 H2O
SrBr2 + F2 = SrF2 + Br =>
SrBr2 + F2 = SrF2 + 2 Br
CO2 + H2 = CO + H2O =>
CO2 + H2 = CO + H2O
H2O + C6H8O6 = H3O + CO2 =>
26 H2O + C6H8O6 = 20 H3O + 6 CO2
Na2SO4 + Au = AuSO4 + Na =>
Na2SO4 + Au = AuSO4 + 2 Na
C3H7OH + CuO = C3H6O + H2O + Cu =>
C3H7OH + CuO = C3H6O + H2O + Cu
C6H5OH + KMnO4 = C6H4O2 + MnO2 + H2O + K =>
C6H5OH + KMnO4 = C6H4O2 + MnO2 + H2O + K
TlCl3 + LiOH = Tl(OH)3 + LiCl =>
TlCl3 + 3 LiOH = Tl(OH)3 + 3 LiCl
C6H6O3 + H2O = CO2 + H2 =>
C6H6O3 + 9 H2O = 6 CO2 + 12 H2
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